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FREDERICK G. JENKINS, on BROOKLYN, E p., NEW YORK, ASSIGNOE To JOSEPHEEOKENDOEEEE, OE NEW YORK OITY.

' Laim Para: No. 90,269, daad May 1s, 1869.

DPROVEMENT IN TEE MANUFACTURB OF LEDPEKCIILB The Schedule referred to inthese Letters Patent and makingpart of the urna To @chain it may concernBe it known that I, FBEDERQK G. JENKINS, of Brooklyn, county of Kings,and State of New York,

have invented certain new and useful Improvements in the Manufacture ofLead-Pencils; and I hereby declare the following to be a full, clear,and exact description ofthe same, reference being had tothe accompanyingdrawings, in which 4 Figure 1 represents a longitudinal transverse.ver-- tical section through a die and feed-rolls, arranged inaccordance with my invention. T1 Figure 2 is a front elevation of thesame. l Y My inventionl relates principally to the forming and finishingof polygonal `lead-pencils, or those pencils whose wooden sheath has apolygonal cross-section.

Round or cylindrical pencils have been heretofore shaped audiinished bymeans of a rapidly-revolving cylindrical cutter. ASuch a method is. ofcourse inapJ plicable to the manufacture of polygonal pencils, and theonly mode which, Vup to this time, Vh-asbeen found" to produce thedesired results in the speellliest and cheapest manner, has been toprovide a series of cutters, for forming or cutting separately each faceof the polygonal pencil, and `t-hen, alter the application of the propervarnish or size, to polish, the pencil by hand.

Two operations are thus required: first, cutting-the faces; second,varnishing and polishing them 4ailier" they have been cut.

The first operation is productive of considerable loss and expense, asthe cutting-machinery, with itsseries of cutters, is costly; and,moreover, the pencilstock must be considerably larger than requiredforthe nished pencil, in order to allow it to be out away to the propersize and shape without'reducingthe pencil below the standard dimensions.Thus there is necessarily a waste of material, and the operation is,moreover, tedious and troublesome.

The second operation is no less objectionable.' Hand labor must beemployed to polish the pencils, which itself is more expensive, andrequires much more time than if the operation wereperformed bymachinery, while, at the same time, the success of the operation dependsupon the skill of the workman and his abil-V ity to perform the workproperly. 4 The 'object of this invention is labor, and expense requiredto produce a finished polygonal pencil, to avoid the 'waste'of stock,the employment of hand-labor for polishing, and 'to 4reduce the numberof operationsrequired by the mode here-- tofore in use. To this end,

My invention consists in compressing the pencil-l stockin, and forcingit through one` or more station-v ary dies, of a polygonal shape,corresponding to that which is to be given the finished pencil, iii'such Innuner that the wood shall be compressed, inllieu of being cutinto the proper form,and shall, at tl e same time,"

polished during its passage through t e die or dies.'

1ro-reduce the time,

a, which may, for inable manner, a stationary die,

for the production of stance, have an octagonal form, an octagonalpencil. i

The octagonal-shaped aperture, or. die b, is largest at the end whichthe pencil enters, and thence tapers gradually toward the other end,where it has the shape and proportionwhich arcto be. imparted to the1inished pencil.

The die should, of course, be made of steel or equiv- Aalent material,and its faces should be highly polished and finished; r 4 l J ust infront of the larger end of the die I place one or more sets offeed-rolls', o, in such manner that the point where the-two rolls ofeach set adjoin each other shall lie in the plane of the die-opening.

Th'e rolls o f each set should be made capable of ,being moved 'towardor away from each other, so as to be adjusted accurately with respect tothe die, and

which may be placed between them, and they may be grooved, as shown atd, so as to direct the-pencilstock accurately to the die-opening b'.

The wooden pencil-stock, with enclosed lead,'may be of any ordinary orsuitable shape, preferably cylindrical, and of no greater size thanrequired for the finished pencil.

It is first varnished, or provided with the usual coatfeel-rolls, vwhichare in revolution.

v- These rolls immediately carry it forward toward thedie,V into thelarger-end ,of which .it enters, andis gradsally carried fforwardthrough the die, and out from its smaller end. i

When thisoperation is finished, it will be found that the pencil-stock,during its through the die,

has' `been gradually compressed info the octagonal tact between the dieand the pencilhas polished or burnished the sides of the latter, which,by one short the pencil-stock, stained in the usual manner, may

and compressed and be first passed through the die,

applied.

ln, carrying out my invention, I set up,`in a suit-` to aocordwlth thevarying size of the pencil-stockl ing of paint or size,land is theninserted between the form required, and, moreover,that the frictionaloon.

operation, is thus simultaneously shaped 'and finished; y

burnished, and then a coat or two of vsrnishcau be.

'1: The unfinished pencils, or pencil-stocks, as they may.

or pressing against the near end of one in ad:-A

directly acted upon by v form which is tolbc given the finished pencil;The

more diesth'e pencil passes through,`the smoother becomes its surface.After which, one orv two coats of varnish will give it a ine polish.

The 'form and arrangement of the apparatus may he varied in manyrespects, as will be readily pemeilved .v without further explanation,all that is needed to carry outthis invention being, irst, that dieordies should curred in the manufacture of polygonalv pencils is saved. v

From -a review of the method just described, it Vwilllbe noticed thatthepencil can oolllpl'es'se/'dy into shape, or, if previouslyl'lsaped byother means, it can' be polished or bnrnis l shaping and bumishing canbe 'effected simultaneously; `and itwill hel understood that thisprocess, while intended by -me' to be usedespeeially forthemanufaef ofpencils, can be"employed to eeot th'eshapinglj ,orfthe .two operationsof or polishing, prboth shapingI and-,polishing of other' articles, theform ofthe die -'or dies being varied, to

`-with theshape to be imparted to the article.

Havingnow described my invention, and themanvvvner-in which the same isor may beearried into -ei'ect,I

1- What I claim,- and desire to secure by Letters Pat 1-. The i shapingand-polishing, polygonal lead-pencils, and like articles, .bytheemployment of one or more stationary dieshaving the form required forthe iinished article, in which the stockisoompressed into the desiredshape, :or polished, aier'being previously shaped; or v both compressedand polished, substantially inthe vmanner and fotthepurpoees set fol-th.

` 2.-1he combination of the stationary compressing and-polishingor.burnishiiigdie or dies, and one ,or more sets of feed-rolls, or theirequivalents, for carrying folwld and' forcing the stock through said dieor dies, substantially in -the manner and for the purposes set forth. yIn testimonywhereol 4have signed my name to thisspecioation, before twosnbscribiu witnesses. j FREDERICK G, EN-KINS;

Witnessszj y y wsu-...3* Torun# j' ,Iene

